SAO PAULO – A perfect night for the Alcantara family wasn’t meant to be.

After Ildemar Alcantara picked up an upset win in his UFC debut, his brother Yuri looked for a quick finish to keep the family party going. But what he got instead was controversy and a no contest in his fight against the UFC debuting Pedro Nobre.

The bantamweight bout was part of the preliminary card of Saturday’s UFC on FX 7 event at Ibirapuera Gymnasium in Sao Paulo. It aired on FUEL TV ahead of the main card on FX.

With Ildemar Alcantara already in the locker room celebrating, Yuri Alcantara came out quickly. He went for an early flying knee that drew some early oohs and ahhs from the crowd. But it was the size difference that was most noticeable. Alcantara was moving down from featherweight to bantamweight, while Nobre was moving up from flyweight.

After a brief break from a Nobre accidental low blow, Alcantara got the fight to the ground and went immediately to work on Nobre’s arm. He appeared to have a sure-thing kimura, but Nobre survived it, only to have Alcantara in back mount raining down punches.

That’s when things went awry.

Referee Dan Miragliotta warned Alcantara to watch out for strikes to the back of Nobre’s head. But after three punches, Miragliotta called time and sent Alcantara to a neutral corner for what he deemed to be illegal shots.

Replays appeared to show Alcantara landing an elbow to the side of Nobre’s head on his right ear, then several punches to the side of the head. None appeared to land cleanly on the back of Nobre’s head, though Alcantara did use his hand to push down on Nobre’s head from the back while posturing up.

Nobre was asked if he could continue, and ultimately apparently said the strikes left him unable to go on. The fight was waved off, a no contest 2:11 into the first round.

The crowd in Sao Paulo loudly booed Nobre as he was helped from the arena, believing after seeing replays in the venue that he was perhaps overreacting to the strikes at best, and acting at worst.

Even UFC President Dana White, not in attendance in Brazil following ear surgery, took to his Twitter account to express his opinion on the stoppage: “That was BS!!!,” White stated on Twitter. “Pedro is an award winning actor and horrible call by Dan M.”

A quick glance around social media did not appear to find many who disagreed with his assessment.

“I can’t accuse him of faking anything because I don’t know what actually happened and I’ll have to watch it again,” Alcantara said. “I’m sad because I was well-trained and I didn’t get to fight. But I’m happy my brother won. Now I just have to wait to see what the UFC will decide and train harder to get back here and put on a great show.”

Alcantara (27-4 MMA, 2-1 UFC) misses his chance to get back in the win column after a June loss to Hacran Dias. Nobre (14-1-2 MMA, 0-0 UFC) had a two-fight win streak heading into his UFC debut, which he took on less than two weeks’ notice when George Roop dropped out with an injury.

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